CN201785393U - Intelligent temperature control device used in process of cordyceps militaris liquid fermentation - Google Patents
Intelligent temperature control device used in process of cordyceps militaris liquid fermentation Download PDFInfo
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- CN201785393U CN201785393U CN2010202714910U CN201020271491U CN201785393U CN 201785393 U CN201785393 U CN 201785393U CN 2010202714910 U CN2010202714910 U CN 2010202714910U CN 201020271491 U CN201020271491 U CN 201020271491U CN 201785393 U CN201785393 U CN 201785393U
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Abstract
The utility model relates to an intelligent temperature control device used in the process of cordyceps militaris liquid fermentation, which comprises a liquid fermentation tank, a temperature sensor, a computer, a data acquisition board, a control relay, a water pump and an electric regulating valve. The temperature sensor is disposed in the liquid fermentation tank, the data acquisition board is inserted into a PCI slot of the computer, a fuzzy PID control algorithm module and a project measurement and control module are arranged in the computer, the data acquisition board is provided with an analog input A/I channel, a digital I/O channel and an analog output A/O channel respectively connected with the temperature sensor, the control relay and the electric regulating valve, the control relay is further connected with the electric regulation valve electrically, and a water outlet of the water pump is connected with an inlet of a circulation cooling water jacket of the fermentation tank through a water pipe and the electric regulation valve. The intelligent temperature control device can accurately and automatically monitor temperature in the liquid fermentation tank in real time, provides fine fermentation environment for hypha growth, and increases fermentation product yield and quality.
Description
Technical field
The utility model relates to a kind of temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process.
Background technology
In the process that the Cordyceps militaris liquid fungus seed is produced, very important controlled variable of temperature in the fermentor tank, traditional control method is to come leavening temperature in the controlled liq fermentor tank by II type regulation meter, yet for such non-linear, the Large-lag System of liquid fermenting, this control method exists temperature control weak effect, low, the not high many shortcomings of reliability of level of automation.Be used for the computer control system (mainly adopting the PID control techniques) of fermentation jar temperature control accordingly though developed some in recent years, exist shortcomings such as operating system is loaded down with trivial details, fluctuation of service, maintenance cost height, the actual effect of using is unsatisfactory.
The utility model content
The technical problems to be solved in the utility model is: in the process that the Cordyceps militaris liquid fungus seed is produced, because the temperature in the fermentor tank is difficult in real time, accurately control, and present computer control system is also unsatisfactory to the effect of its application, for addressing this problem, the spy discloses a kind of temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process, this device can be in real time, accurately, the temperature in the controlled liq strain fermentation jar automatically.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process, include liquid fermentation tank, temperature sensor, computer, data acquisition board, relay, water pump and motor-driven control valve, fermentor tank has the recirculated cooling water interlayer, temperature sensor is arranged in the liquid fermentation tank, data acquisition board is plugged in the slot corresponding in the computer, be provided with Fuzzy PID module and engineering control module in the computer, data acquisition board has analog input A/I passage, numeral I/O passage and simulation output A/O passage, wherein analog input A/I passage connects temperature sensor, numeral I/O passage connects relay, simulation output A/O passage connects motor-driven control valve, relay in addition with the motor-driven control valve Electricity Federation, pump outlet connects the recirculated cooling water interlayer inlet of fermentor tank by water pipe and motor-driven control valve.
The principle of work of this covering device is: transmitter is gathered the temperature in the fermentor tank, and send detection signal to computer by data acquisition board, computer with the information processing that collects after with demarcate good set(ting)value in advance and compare, when surpassing preset value, report to the police, export control signal simultaneously, the control signal of output acts on motor-driven control valve, the openings of sizes of control motor-driven control valve, thereby the circular flow of control fermentor tank recirculated cooling water interlayer internal cooling water reaches the purpose of regulating leavening temperature in the fermentor tank.Computer operates by set Fuzzy PID module when setting up above-mentioned set(ting)value and output control signal, the operational scheme of Fuzzy PID module is: a. microcomputer obtains the exact value of controlled volume through interrupting sampling, compare with set(ting)value, obtain the sum of errors error rate and import as fuzzy controller; B. utilize expertise knowledge, through to the obfuscation of input and output amount, fuzzy control rule determine and the reverse gelatinization of fuzzy quantity is handled, obtain the scale-up factor K of PID controller
P, differential coefficient K
DWith integral coefficient K
IOn-line tuning; C. the ratio, differential and the integral coefficient that utilize on-line tuning to obtain obtain the exact figure manipulated variable through the PID controller; D. digital control amount is that accurate analog quantity sends topworks to through digital-to-analog conversion again, so that controlled plant is controlled.Above-mentioned fuzzy controller is the structure formation of two inputs, three outputs, is input as fermentation jar temperature error e and error variable quantity ec, is output as K
P, K
I, K
D, and as the input of PID controller, through the controlled output of PID controller, the opening increment of control motor-driven control valve
ΔU (k).
The engineering control module provides human-computer interaction interface, and the running of system's overall situation is controlled.
Also be provided with the virtual instrument module in the computer, to replace traditional combination instrument to operate, on screen, dynamically show the variation of detect parameters, and with forms such as form records, storage data, and carry out the inquiry of historical storage data and statistical study etc.
The beneficial effects of the utility model are: this is used for the temperature intelligence controlling device of Cordyceps militaris liquid fermenting process, can in real time, accurately, automatically monitor the temperature in the liquid fermentation tank, make the liquid fermenting temperature remain at suitable scope, thereby for mycelial growth provides good yeasting, satisfy of the requirement of hypha fermentation process, effectively improve the output and the quality of tunning temperature.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structure composition frame chart of the present utility model;
Fig. 2 is a control flow functional block diagram of the present utility model;
Fig. 3 is the principle of work block diagram of Fuzzy PID module described in the utility model.
Embodiment
A kind of temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process, as shown in Figure 1, it includes liquid fermentation tank, temperature sensor, computer, data acquisition board, relay, water pump and motor-driven control valve, fermentor tank has the recirculated cooling water interlayer, temperature sensor is arranged in the liquid fermentation tank, data acquisition board is plugged in the slot corresponding in the computer, be provided with Fuzzy PID module and engineering control module in the computer, data acquisition board has analog input A/I passage, numeral I/O passage and simulation output A/O passage, wherein analog input A/I passage connects temperature sensor, numeral I/O passage connects relay, simulation output A/O passage connects motor-driven control valve, relay in addition with the motor-driven control valve Electricity Federation, pump outlet connects the recirculated cooling water interlayer inlet of fermentor tank by water pipe and motor-driven control valve.
In computer, be provided with virtual instrument module in addition in order to replace traditional combination instrument to operate.
As shown in Figure 2, the working process of this covering device is: the temperature in the liquid fermentation tank is by the temperature sensor collection and convert electrical signal to, by having the data acquisition board of A/D transition function, send detection signal to computer, computer utilizes virtual instrument software on the one hand, replace traditional combination instrument, the dynamic variation that shows detect parameters on screen, and with form records such as forms, the storage data, on the other hand computer with the information processing that collects after with demarcate good set(ting)value in advance and compare for 25 ℃, when surpassing preset value 24 ± 1.O ℃, report to the police, adopt Fuzzy PID to carry out computing simultaneously, the output control signal, through the digital I/O passage and the simulation A/O passage of data acquisition board, output signal is acted on relay and motor-driven control valve, again by the size of regulating and controlling valve opening, regulate fermentor tank interlayer water temperature and reach the purpose of regulating leavening temperature, realize effective regulation and control temperature in the liquid fermentation tank.
Data acquisition board has been selected the insert data acquisition board PCI-6221 that America NI company produces in this example.This data acquisition board partly is made up of data acquisition unit, storage unit and steering logic etc.Select for use 67,68 ports of this data acquisition board to connect temperature sensor, the temperature in the collection liquid fermentor tank in this example; Select for use 52,53 ports to connect relay, select the input signal of 21,55 ports connection motor-driven control valve for use, control the size of motor-driven control valve opening by the size of input signal.
Temperature sensor is selected highly sensitive, good linearity Pt100 platinum resistance temperature sensor for use in this example.The temperature signal sampling period of temperature sensor is set to 10 seconds.
Model of pump is AB-12 in this example, and its rated output is 40W, and peak flow is 12 liters/minute.The motor-driven control valve that links to each other with water pump is a ZAZP type motor-driven control valve.Power supply output 380V three-phase alternating current is input to the input terminus of motor-driven control valve power supply through fusible cut-out, relay, data acquisition board is the folding by digital I/O mouth output LOW voltage signal control relay on the one hand, on the other hand by the signal input part of simulation A/O mouth output voltage control signal, to regulate the valve port opening size to motor-driven control valve.Wherein relay has adopted the interface device of GJ series (zero-based) solid state relay (SSR) as forceful electric power and light current.
As shown in Figure 3, the principle of work of Fuzzy PID module is: microcomputer obtains the exact value of controlled volume through interrupting sampling, by relatively obtaining the sum of errors error rate with set(ting)value, as the two dimension input of fuzzy controller.The structure of fuzzy controller is the form of two inputs, three outputs, is input as fermentation jar temperature error e and error variable quantity ec; Utilize expertise knowledge, through to the obfuscation of input and output amount, fuzzy control rule determine and the reverse gelatinization of fuzzy quantity is handled, obtain the scale-up factor K of PID controller
P, differential coefficient K
DWith integral coefficient K
IOn-line tuning; The ratio, differential and the integral coefficient that utilize on-line tuning to obtain obtain the exact figure manipulated variable through the PID controller; Be output as regulating and controlling valve opening increment
ΔU (k), digital control amount is that accurate analog quantity flows to topworks through digital-to-analog conversion again, so that controlled plant is controlled.
Computer adopts the running environment of Chinese WindowsXP operating system as software in this example, the Virtual Instrument Development software LabWindows/CVI7.1 that developing instrument has selected for use America NI company to release, the engineering TT﹠C software comprises following content: several sections such as user interface, data gathering, data analysis, time variable control.Wherein the softpanel program is used to provide virtual instrument and user's interface, and it can generate a graphical interfaces similar to the traditional instrument panel on computer screen, is used to result who shows measurement etc.Simultaneously, the user also can be by switch on the softpanel and knob, and the various operations of simulation traditional instrument realize control to virtual instrument by keyboard or mouse.Instrument drivers is mainly used to the initialize virtual instrument, and specific parameter and mode of operation are set, and makes virtual instrument remain on normal working order.Application program is mainly used to the data of input computer are handled, and the user comes the defining virtual instrumental function by application programming.TT﹠C system mainly comprises several modules such as parameter setting, parameter calibration, Detection ﹠ Controling, alarm logging, data management, historical query, help.At first will import user cipher before entering TT﹠C system, input is correct, just can enter master station.Parameter setting module in the TT﹠C system mainly is that the setting of fermentor tank basic parameter, acquisition parameter, controlled variable are carried out system's setting.When the system acquisition parameter was set, the user can distribute each paths herein according to the situation of hardware, as sampling period, analog input channel, analog output channel and digital path are selected and initialize.The initialize content comprises given channel number, range lower limit, the range upper limit, data such as sampling time.As hardware fault, when needing to change passage, only need redistribute passage and get final product.The parameter calibration module is to use the family to come calibration sensor by standardized component, and the user must at first move this module and come calibration system when using this device for the first time.During follow-up test, can directly test.After repeatedly measuring,, can carry out system calibrating once more if the system testing result goes back less stable.
Claims (2)
1. temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process, it is characterized in that: include liquid fermentation tank, temperature sensor, computer, data acquisition board, relay, water pump and motor-driven control valve, fermentor tank has the recirculated cooling water interlayer, temperature sensor is arranged in the liquid fermentation tank, data acquisition board is plugged in the slot corresponding in the computer, be provided with Fuzzy PID module and engineering control module in the computer, data acquisition board has analog input A/I passage, numeral I/O passage and simulation output A/O passage, wherein analog input A/I passage connects temperature sensor, numeral I/O passage connects relay, simulation output A/O passage connects motor-driven control valve, relay in addition with the motor-driven control valve Electricity Federation, pump outlet connects the recirculated cooling water interlayer inlet of fermentor tank by water pipe and motor-driven control valve.
2. the temperature intelligence controlling device that is used for Cordyceps militaris liquid fermenting process according to claim 1 is characterized in that: also be provided with the virtual instrument module in the computer.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103529865A (en) * | 2013-10-31 | 2014-01-22 | 北京洁明伟业环境工程有限公司 | Flow controller and flow control method |
CN103814752A (en) * | 2012-11-19 | 2014-05-28 | 无锡美新物联网科技有限公司 | Intelligent cultivation system of Cordyceps sinensis |
CN104881066A (en) * | 2015-06-11 | 2015-09-02 | 江苏科海生物工程设备有限公司 | Armillaria mellea liquid state fermentation temperature control device and method |
CN104898739A (en) * | 2015-04-09 | 2015-09-09 | 齐鲁工业大学 | Semi-tensor product temperature control method for vegetable waste fermentation |
CN105320174A (en) * | 2014-05-27 | 2016-02-10 | 齐鲁工业大学 | Vegetable waste fermentation temperature fuzzy control method |
CN117431346A (en) * | 2023-12-20 | 2024-01-23 | 徐州鸿宇农业科技有限公司 | Cordyceps fermentation temperature control method and system |
-
2010
- 2010-07-27 CN CN2010202714910U patent/CN201785393U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103814752A (en) * | 2012-11-19 | 2014-05-28 | 无锡美新物联网科技有限公司 | Intelligent cultivation system of Cordyceps sinensis |
CN103529865A (en) * | 2013-10-31 | 2014-01-22 | 北京洁明伟业环境工程有限公司 | Flow controller and flow control method |
CN103529865B (en) * | 2013-10-31 | 2016-08-17 | 北京洁明伟业环境工程有限公司 | A kind of flow controller and flow control methods |
CN105320174A (en) * | 2014-05-27 | 2016-02-10 | 齐鲁工业大学 | Vegetable waste fermentation temperature fuzzy control method |
CN104898739A (en) * | 2015-04-09 | 2015-09-09 | 齐鲁工业大学 | Semi-tensor product temperature control method for vegetable waste fermentation |
CN104881066A (en) * | 2015-06-11 | 2015-09-02 | 江苏科海生物工程设备有限公司 | Armillaria mellea liquid state fermentation temperature control device and method |
CN117431346A (en) * | 2023-12-20 | 2024-01-23 | 徐州鸿宇农业科技有限公司 | Cordyceps fermentation temperature control method and system |
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Granted publication date: 20110406 Termination date: 20120727 |